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Problems

330 problems

Has videoPremium onlyReset
Array1,212Hash Table473String437Math331Greedy330Dynamic Programming327Sorting302Depth-First Search208Binary Search189Breadth-First Search166Matrix163Tree158Prefix Sum155Two Pointers150Database137All topics

Medium · 330 results

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TitleSolutionAcceptDifficultyTopics
11. Container With Most WaterVideo
Solution60.9%Medium
Array, Greedy +1· 57 companies
45. Jump Game IIVideo
Solution43.2%Medium
Array, Dynamic Programming +1· 26 companies
55. Jump GameVideo
Solution41.2%Medium
Array, Dynamic Programming +1· 33 companies
122. Best Time to Buy and Sell Stock IIVideo
Solution71.4%Medium
Array, Dynamic Programming +1· 28 companies
134. Gas StationVideo
Solution48.4%Medium
Array, Greedy· 29 companies
179. Largest NumberVideo
Solution43.9%Medium
Array, Greedy +2· 23 companies
253. Meeting Rooms IIVideoPremium
Solution52.6%Medium
Array, Greedy +4· 42 companies
280. Wiggle SortVideoPremium
Solution68.5%Medium
Array, Greedy +1· 4 companies
316. Remove Duplicate LettersVideo
Solution54.7%Medium
Greedy, Monotonic Stack +2· 13 companies
324. Wiggle Sort IIVideo
Solution38.4%Medium
Array, Divide and Conquer +3· 4 companies
334. Increasing Triplet SubsequenceVideo
Solution39.3%Medium
Array, Greedy· 7 companies
376. Wiggle SubsequenceVideo
Solution49.9%Medium
Array, Dynamic Programming +1· 1 company
397. Integer ReplacementVideo
Solution37.9%Medium
Bit Manipulation, Dynamic Programming +2· 4 companies
402. Remove K DigitsVideo
Solution37.7%Medium
Greedy, Monotonic Stack +2· 21 companies
435. Non-overlapping IntervalsVideo
Solution57.5%Medium
Array, Dynamic Programming +2· 18 companies
452. Minimum Number of Arrows to Burst BalloonsVideo
Solution61.9%Medium
Array, Greedy +1· 8 companies
484. Find PermutationVideoPremium
Solution67.0%Medium
Array, Greedy +2· 1 company
555. Split Concatenated StringsVideoPremium
Solution43.4%Medium
Array, Greedy +1· 1 company
581. Shortest Unsorted Continuous SubarrayVideo
Solution38.7%Medium
Array, Greedy +4· 9 companies
611. Valid Triangle NumberVideo
Solution56.8%Medium
Array, Binary Search +3· 9 companies
621. Task SchedulerVideo
Solution64.0%Medium
Array, Counting +4· 24 companies
624. Maximum Distance in ArraysVideo
Solution45.7%Medium
Array, Greedy· 5 companies
625. Minimum FactorizationVideoPremium
Solution34.2%Medium
Greedy, Math· 1 company
646. Maximum Length of Pair ChainVideo
Solution62.2%Medium
Array, Dynamic Programming +2· 2 companies
649. Dota2 SenateVideo
Solution50.3%Medium
Greedy, Queue +1· 6 companies
659. Split Array into Consecutive SubsequencesVideo
Solution52.7%Medium
Array, Greedy +2· 2 companies
670. Maximum SwapVideo
Solution51.6%Medium
Greedy, Math· 9 companies
678. Valid Parenthesis StringVideo
Solution42.8%Medium
Dynamic Programming, Greedy +2· 15 companies
714. Best Time to Buy and Sell Stock with Transaction FeeVideo
Solution72.4%Medium
Array, Dynamic Programming +1· 8 companies
738. Monotone Increasing DigitsVideo
Solution50.1%Medium
Greedy, Math· 3 companies
763. Partition LabelsVideo
Solution81.8%Medium
Greedy, Hash Table +2· 9 companies
767. Reorganize StringVideo
Solution57.5%Medium
Counting, Greedy +4· 20 companies
769. Max Chunks To Make SortedVideo
Solution64.1%Medium
Array, Greedy +3· 7 companies
781. Rabbits in ForestVideo
Solution58.0%Medium
Array, Greedy +2· 8 companies
807. Max Increase to Keep City SkylineVideo
Solution86.2%Medium
Array, Greedy +1· 3 companies
826. Most Profit Assigning WorkVideo
Solution56.4%Medium
Array, Binary Search +3· 5 companies
846. Hand of StraightsVideo
Solution58.5%Medium
Array, Greedy +2· 6 companies
861. Score After Flipping MatrixVideo
Solution80.3%Medium
Array, Bit Manipulation +2· 3 companies
870. Advantage ShuffleVideo
Solution55.0%Medium
Array, Greedy +2· 3 companies
881. Boats to Save PeopleVideo
Solution62.7%Medium
Array, Greedy +2· 11 companies
910. Smallest Range IIVideo
Solution38.4%Medium
Array, Greedy +2· 3 companies
921. Minimum Add to Make Parentheses ValidVideo
Solution74.7%Medium
Greedy, Stack +1· 7 companies
945. Minimum Increment to Make Array UniqueVideo
Solution60.7%Medium
Array, Counting +2· 7 companies
948. Bag of TokensVideo
Solution59.5%Medium
Array, Greedy +2· 4 companies
954. Array of Doubled PairsVideo
Solution39.7%Medium
Array, Greedy +2· 1 company
955. Delete Columns to Make Sorted IIVideo
Solution49.7%Medium
Array, Greedy +1· 3 companies
969. Pancake SortingVideo
Solution71.7%Medium
Array, Greedy +2· 3 companies
984. String Without AAA or BBBVideo
Solution45.6%Medium
Greedy, String· 3 companies
991. Broken CalculatorVideo
Solution56.6%Medium
Greedy, Math· 5 companies
1007. Minimum Domino Rotations For Equal RowVideo
Solution56.5%Medium
Array, Greedy· 4 companies
Showing 1–50 of 330